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[fool-hahr-dee] /ˈfulˌhɑr di/
adjective, foolhardier, foolhardiest.
recklessly or thoughtlessly bold; foolishly rash or venturesome.
Origin of foolhardy
1175-1225; Middle English folhardy < Old French fol hardi. See fool1, hardy1
Related forms
foolhardily, adverb
foolhardiness, noun
impetuous, headlong, heedless, incautious. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for foolhardy
  • To keep fully on top of this onslaught is both difficult and foolhardy.
  • It seems foolhardy to expect, or even want, all faculty to jump through the exact same hoops in order to prove themselves worthy.
  • One thick-skinned show-off waves his foot in the flames for a foolhardy second.
  • Nevertheless, ignoring the danger would be foolhardy.
  • In hindsight, ignoring those warnings looks foolhardy.
  • The loss of trust and confidence posited in the article is real, and administrators and faculty would be foolhardy to ignore it.
  • Manned exploration of the solar system is foolhardy.
  • It would be foolhardy to open up access to corporate data or to give so many people access to so much computing power.
  • Choosing sides in a paradoxical debate is foolhardy and ignorant.
  • He acknowledged that the journey ahead might seem foolhardy.
British Dictionary definitions for foolhardy


adjective -hardier, -hardiest
heedlessly rash or adventurous
Derived Forms
foolhardily, adverb
foolhardiness, noun
Word Origin
C13: from Old French fol hardi, from fol foolish + hardi bold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for foolhardy

early 13c., from fool (n.) + Middle English hardi "bold;" hence "foolishly brave" (see hardy). Cf. Old French fol hardi.

Online Etymology Dictionary, © 2010 Douglas Harper
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